1-20 of 430 Search Results for

data analysis

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001516
EISBN: 978-1-62708-234-1
... Abstract This paper deals with disk drive failures that occur in the interface area between the head and disk. The failures often lead to the loss of stored data and are characterized by circumferential microscratches that are usually visible to the unaided eye. The recording media in disk...
Image
Published: 01 December 1993
Fig. 2 Standardless semi-quantitative SEM/EDS element analysis data and graph of typical corrosion residue present in some of the cracks in the eye of the second-stage impeller. The high sodium content was believed to be the corrosion component for the stress-corrosion cracks. Element More
Image
Published: 01 December 1993
Fig. 3 Standardless semi-quantitative SEM/EDS element analysis data and graph of a crack fracture surface. Base metal elements revealed that the impeller material was an AISI 4300 alloy steel. Element wt% at.% Silicon 0.27 0.53 Chromium 1.10 1.18 Manganese 0.88 More
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006942
EISBN: 978-1-62708-395-9
... suited when a cross-functional team is available to perform the analysis, thereby gathering information from other perspectives, specifically those involved in minute portions of the product production cycle. Further information can be obtained from such sources as product testing, quality control data...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001580
EISBN: 978-1-62708-229-7
.... Therefore, the top 7.5 mm of the canister was mapped with a resolution 50 µm by 50 µm in the x and y planes and 1 µm in the z plane. Data Analysis Using the map comparison software developed for canister identification, 10 randomly selected segments from each of the three maps were compared...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006759
EISBN: 978-1-62708-295-2
... and can be misinterpreted as part of actual data in the chemical analysis. Surface finishes, paints, coatings, and other treatments can obscure the true chemistry of the metal and must be adequately removed to achieve appropriate results. The manufacturing or forming process can also affect how bulk...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006762
EISBN: 978-1-62708-295-2
... be challenging when results from various tests seem contradictory or inconclusive. Regardless, conclusions must eventually be drawn from the data. This article discusses the processes involved in reviewing data, formulating conclusions, failure analysis report preparation and writing, and providing...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006772
EISBN: 978-1-62708-295-2
... than a large-scale accident. The approach presented is that the analysis and reconstruction is based on the physical evidence. The article provides a brief review of some general concepts on the use and limitations of advanced data acquisition tools and computer modeling. Legal implications...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001732
EISBN: 978-1-62708-218-1
... Abstract Statistical techniques provide the design engineer with a powerful tool for the analysis of failure data. By means of an actual case study, steps required to design a test yielding statistically meaningful data and procedures used in graphical analysis of results are presented...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006770
EISBN: 978-1-62708-295-2
... for failure analysis, qualitative results are adequate, but the method can determine quantitative elemental compositions to a precision of 0.01 wt% with relative accuracies of ±5%, depending on the specific material, type of x-ray detector used, the method of data analysis employed, and, as always, the skill...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0090030
EISBN: 978-1-62708-217-4
... of titanium is approximately three. Fig. 4 Example of an exceedance distribution of hard alpha Defect distributions for different melt and inspection conditions were developed by the industry through a combination of data analysis of titanium finds, modeling, and calibration with field...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003520
EISBN: 978-1-62708-180-1
... Abstract This article outlines the basic steps to be followed and the range of techniques available for failure analysis, namely, background data assembling, visual examination, microfractography, chemical analysis, metallographic examination, electron microscopy, electron microprobe analysis...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003514
EISBN: 978-1-62708-180-1
... K i The points are plotted on rectangular paper. If the data follow a linear trend, it is suggested that the Weibull is a reasonable model. This decision is purely subjective. The data analysis for this example is given in Table 2 . Y versus X is shown in Fig. 3 . A straight...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006803
EISBN: 978-1-62708-329-4
... are: Analysis of the output of interest and its variation when inputs are changing Selection of the method/model Calibration of the model using one set of data Verification of the calibration using separate data While polynomials are the most frequently used type of response surfaces, other model...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001647
EISBN: 978-1-62708-235-8
... (0.015 in.) pore AP-11 CS/Al inner, double weld Internal gas and pressure analysis 0.38 mm (0.015 in.) pore AP-12 SS inner, 0.25 mm gap Additional data points for gap 0.71 mm (0.028 in.) pore AP-13 SS inner, 0.25 mm gap Additional data points for gap 0.76 mm (0.030 in.) pore AP-14...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006771
EISBN: 978-1-62708-295-2
... are the different types of samples that can be analyzed and the special sample-handling procedures that must be implemented when preparing to do failure analysis using these surface-sensitive techniques. Data obtained from different material defects are presented for each of the techniques. The examples presented...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001517
EISBN: 978-1-62708-217-4
... noted here have been linked to microdamage in the composites. However, whether the microdamage was porosity, microcracking or some other form of damage was not able to be determined from the ultrasonic data. For this reason, further analysis of the damaged areas was requested. Factual Data A 76...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006761
EISBN: 978-1-62708-295-2
... examination of specimen Requires sufficient sample size to perform the test There are four smaller tensile bars in tensile-testing specifications that can be used in failure analysis. However, the failure analyst much consider that as the test sample becomes smaller, the mechanical property data...
Image
Published: 01 June 2019
Fig. 8 Creep rate of Incoloy 800H as a function of stress at a temperature of 800°C. Data for power-law creep are taken from manufacturers (Inco, Sandvik) and from free literature. These data are put into a Larson-Miller equation by regression analysis. Data for diffusional creep are taken More
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.9781627082952
EISBN: 978-1-62708-295-2